laurionite
noun
lau·ri·on·ite
ˈlȯrēəˌnīt,
ˈlärē-,
ˈlävrē-
plural -s
: a basic lead chloride Pb(OH)Cl found in prismatic crystals at Laurion, Greece
Word History
Etymology
German laurionit, from Laurion, Greece, its locality + German -it -ite